Yang, Wenwen(Faculty of Graduate Studies and Research, University of Regina, 2013-03)

Anaerobic digestion involves biochemical and physiochemical processes. It is an
effective process for sludge stabilization and methane gas production. However, the
digester capacity decreases with time due to the buildup ...

Bazargan, Amirhossein(Faculty of Graduate Studies and Research, University of Regina, 2012-03)

In this thesis, a re-configurable wheeled climbing robot has been introduced. This robot is capable of doing a multitude of tasks that no other single robot could do in the past. It can climb staircases, move inside empty ...

Sun, Wei(Faculty of Graduate Studies and Research, University of Regina, 2012-07)

Applications of mathematical models to waste management are usually complicated by
the complexities involved in either waste treatment processes or waste management
systems. In this dissertation research, a set of ...

Wei, Jia(Faculty of Graduate Studies and Research, University of Regina, 2013-04)

Contamination of soil, sediment and water by polycyclic aromatic hydrocarbons (PAHs) has been recognized as a major, widespread, environmental waste concern. As a consequence, surfactant enhanced remediation (SER) has ...

Liu, Meng(Faculty of Graduate Studies and Research, University of Regina, 2013-05)

Complicated designs (eg. partially questionnaire design), which are often used in epidemiologic
studies to reduce the cost of data collection while at the same time improving
data quality, generate data with nonmonotone ...

Zhu, Hua(Faculty of Graduate Studies and Research, University of Regina, 2014-03)

A set of inexact-fuzzy nonlinear programming (IFNP) and inexact fractional mathematical programming (IFMP) methods have been developed for the first time for supporting multi-criteria resources and environmental management ...

Thongprasat, Yaowaluk(Faculty of Graduate Studies and Research, University of Regina, 2013-09)

Coal is the predominant energy source for the world’s electricity generation due to its
abundance and low cost compared to other types of fuel. Coal-fired power plants are the
primary source of anthropogenic emissions ...

Zhang, Yihe(Faculty of Graduate Studies and Research, University of Regina, 2012-12)

In this research, both experimental and numerical investigations are
conducted to study the mechanism behind slug flow in a capillary tube. A 1.2 mm
inner diameter capillary model is employed to represent the pore structure ...

Joshi, Harsh Dipak(Faculty of Graduate Studies and Research, University of Regina, 2013-07)

This research attempts to study the mobilization of an oil drop, also known as a \slug", via the aid of a water film. This differs from other work in this area wherein the oil drop is forced through the throat of a pore ...

Han, Lu(Faculty of Graduate Studies and Research, University of Regina, 2013-07)

To comprehend the mechanism of seismic vibration technique used as an external excitation method in the oil production industry, a three dimensional wave model was developed based on Biot’s theory (1956a, b) for describing ...